After millions of attempts, thousands of bad solutions and 51 years, the Zodiac Killer’s most infamous cipher has been solved. If your skepticism is tingling, you are not alone. In the decades since ...

(CNN) -- More than 50 years after the so-called Zodiac Killer first began terrorizing the streets of Northern California, a code-breaking team is believed to have finally cracked one of the killer's ...

Introduction If you need to send a secret message to a friend, how could you prevent other people from reading it? One way is to encrypt the message—that is, use a secret code that only you and your ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

A coded message sent by the Zodiac Killer to the San Francisco Chronicle in 1969 has finally been cracked, the newspaper reported Friday. A team of code breakers solved the vexing cryptogram after 51 ...

Until now, a 250-year-old encoded text titled the Copiale Cipher baffled cryptographers and historians with bizarre symbols and seemingly random letters. Computer scientist Kevin Knight and two ...